Mounter-Farts

Solution

Each of the words clued are at the end of a line in the manual for Kudosudoku. However, the words don't fit in the grid, but the words in the manual they rhyme with do.

ClueSolutionRhyming Word
Number of mods by Hexicube (3)TenTHEN
Second person pronoun (3)YouDO
Not different (4)SameNAME
Opposite of up (4)DownBROWN
To the right? (4) [used twice]Four
(4 is to the right
of the clue)
MORE
___ with envy (5)GreenMEAN
Encryption method of dots and dashes (5)MorseSEMAPHORES
In that place (5)ThereAIR
Four-sided shape (6)SquareTHERE
Hurt (6)HarmedDISARMED
Plant tile in Mahjong module (6)BambooTOO
As an alternate/substitute (7)InsteadDARK RED
Burst (7)ExplodeCODE
Cheating relationships (7)AffairsSQUARES
Enters an answer to a module (7)SubmitsFITS
Getting first place (7)WinningSPINNING
Writing system for the blind (7)BrailleENTAIL
Card suit, or gems (8)DiamondsSIMONS
Operation leading to sum (8)AdditionPOSITION
Allowed (9)PermittedSUBMITTED
Already packed in advance (9)Pre-filledKILLED
Technicians, or functional details (9)MechanicsMORSEMATICS
B1 S P I N N I N G
A3 I R D U
O I B9 C
W S E M A P H O R E13 S
S I M O N S A6 I D Q
O R T E U
M O R E M T M E15 A N
S T H E R E F R
E16 H D D K5 I L L2 E D
M O R E T12 S
A10 N A M E S
T O O N7
I T
C A
S P O S I T11 I O N4
L
D A R K R14 E D8
O

Reading the highlighted letters in order spell BLANK AND BATTEREE (the weird spelling is explained by the flavor text), or ____ and battery. The solution to which is

ASSAULT